An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to ...

Readers said their favorite features of the Wisconsin Capitol include the Old Abe eagle, a ghost in the Assembly mural and a ...

But to the researchers’ surprise, their survey revealed a second secret tunnel that experts had only hypothesized about for years. The second tunnel runs parallel to the first one, about 1 meter ...

Beneath Texas Tech, a network of tunnels from 1929 keeps utilities running and fuels stories of green fire and 'tunnel moles' ...

A SECRET underground Nazi complex that was never completed remains a mystery as no one knows for certain why Adolf Hitler’s ...

It’s been years since a network of secret tunnels was discovered beneath Tampa, but their purpose remains a mystery. The subterranean passageways below Ybor City may have been used to smuggle ...

That’s a-maze-ing. A sprawling labyrinth of disused underground spy tunnels central to the James Bond novels could become London’s next can’t-miss tourist attraction. The neglected network ...

Fortifying the American home has become big business, selling escape tunnels, secret arsenals — and even flammable moats. Ron Hubbard, the chief executive of Atlas Survival Shelters, runs one of ...

From Narnia to Alice in Wonderland, Britain’s best adventures begin with hidden doors or secret tunnels — and this is a tale with both. Behind an unmarked blue door in London’s Chancery Lane ...

A sprawling network of secret underground tunnels is being transformed into a major new London tourist attraction. Hidden 40m below the streets of the capital, the Kingsway Exchange Tunnels were ...